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msm: iommu: Create a Kconfig item for the IOMMU driver

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Break the IOMMU driver out as a Kconfig item. Initially it
was decided to always build this in for 8x60, but this
driver is not strictly necessary and should be optionally
selectable.

Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
This commit is contained in:
Stepan Moskovchenko 2011-02-11 12:28:16 -08:00 committed by David Brown
parent d056fca323
commit 24f6173c44
2 changed files with 14 additions and 2 deletions
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13
arch/arm/mach-msm/Kconfig
View File

@ -45,7 +45,6 @@ config ARCH_MSM8X60
select CPU_V7
select MSM_V2_TLMM
select MSM_GPIOMUX
select IOMMU_API
select MSM_SCM if SMP
config ARCH_MSM8960
@ -149,6 +148,18 @@ config MACH_MSM8960_RUMI3
endmenu
config MSM_IOMMU
bool "MSM IOMMU Support"
depends on ARCH_MSM8X60
select IOMMU_API
default n
help
Support for the IOMMUs found on certain Qualcomm SOCs.
These IOMMUs allow virtualization of the address space used by most
cores within the multimedia subsystem.
If unsure, say N here.
config IOMMU_PGTABLES_L2
def_bool y
depends on ARCH_MSM8X60 && MMU && SMP && CPU_DCACHE_DISABLE=n

3
arch/arm/mach-msm/Makefile
View File

@ -4,11 +4,12 @@ obj-$(CONFIG_DEBUG_FS) += clock-debug.o
endif
obj-$(CONFIG_MSM_VIC) += irq-vic.o
obj-$(CONFIG_MSM_IOMMU) += iommu.o iommu_dev.o
obj-$(CONFIG_ARCH_MSM7X00A) += dma.o irq.o acpuclock-arm11.o
obj-$(CONFIG_ARCH_MSM7X30) += dma.o
obj-$(CONFIG_ARCH_QSD8X50) += dma.o sirc.o
obj-$(CONFIG_ARCH_MSM8X60) += clock-dummy.o iommu.o iommu_dev.o devices-msm8x60-iommu.o
obj-$(CONFIG_ARCH_MSM8X60) += clock-dummy.o devices-msm8x60-iommu.o
obj-$(CONFIG_ARCH_MSM8960) += clock-dummy.o
obj-$(CONFIG_MSM_PROC_COMM) += proc_comm.o clock-pcom.o vreg.o